Hi Nick
Modify gmond to write a special file /etc/ganglia/ec2.conf with the discovered
instances and then modify gmetric to read that file - using a cmdline option
perhaps
This change should be lightweight enough for gmetric
Regards
--
Paul Hewlett X25250
http://www.theregister.co.uk/2012/06/25/rbs_natwest_what_went_wrong/
ARM Ltd
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From: Nicholas Satterly [mailto:nfsatte...@gmail.com]
Sent: 10 October 2012 13:06
To: ganglia-developers@lists.sourceforge.net
Subject: [Ganglia-developers] dynamic discovery of hosts in EC2
Hi,
I've been hacking on the ganglia gmond code to get the agent to auto-discover
other servers in its cluster when running in EC2 [1]. It works a lot like the
way elasticsearch does [2].
Does anyone have any suggestions on how I might get gmetric to work in a
scalable way if it can't rely on the UDP send destinations being listed in the
gmond.conf file? It really is a show-stopper for us at the moment which is
unfortunate because gmond would work brilliantly in EC2 with these changes.
Thanks in advance,
Nick
[1] https://github.com/satterly/monitor-core
[2] http://www.elasticsearch.org/guide/reference/modules/discovery/ec2.html and
http://www.elasticsearch.org/tutorials/2011/08/22/elasticsearch-on-ec2.html
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